Hey, Mr. Nosy: Are you curious what game developers earn per year?
According to a survey conducted by Game Developer magazine, the average annual salary of a developer was $73,600 in 2007.
With that kind of money, you could by like 15 cans of Mountain Dew!
Feel free to use this research to explain to your folks why they should leave you alone when you're playing Naruto. It's not a waste of time. It's research for your future, lucrative career in game development.